<template>
    <div class="app-header-sticky" :class="{show:y>=78}">
      <div class="container" v-show="y>78">
        <RouterLink class="logo" to="/" />
        <AppHeaderNav />
        <div class="right">
          <RouterLink to="/" >品牌</RouterLink>
          <RouterLink to="/" >专题</RouterLink>
        </div>
      </div>
    </div>
</template>

<script>
// import { onMounted, ref } from 'vue'
import { useWindowScroll } from '@vueuse/core'
import AppHeaderNav from './app-header-nav.vue'
export default {
  name: 'AppHeaderSticky',
  components: { AppHeaderNav },
  setup () {
    const { y } = useWindowScroll()
    // const y = ref(0)
    // onMounted(() => {
    //   window.onscroll = () => {
    //     const scrollTop = document.documentElement.scrollTop
    //     y.value = scrollTop
    //   }
    // })
    return { y }
  }
}
</script>

<style scoped lang="less">
  .app-header-sticky {
    width: 100%;
    height: 80px;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999;
    background-color: #fff;
    border-bottom: 1px solid #e4e4e4;
    transform: translateY(-100%);
    opacity: 0;
    &.show {
    // transition: all 0.3 linear;
    transition: all 0.3s linear;
    transform: none;
    opacity: 1;
    }
    .container {
      display: flex;
      align-items: center;
    }
    .logo {
      width: 200px;
      height: 80px;
      background: url(~@/assets/images/logo.png) no-repeat  right 2px;
      background-size: 160px auto;
    }
    .right {
      width: 220px;
      display: flex;
      text-align: center;
      padding-left: 40px;
      border-left: 2px solid @xtxColor;
      a {
        width: 38px;
        margin-right: 40px;
        font-size: 16px;
        line-height: 1;
        &:hover {
          color: @xtxColor;
        }
      }
    }
  }
</style>
